MAX6328XR23+T

Series:	--
Packaging:	Strip
Part Status:	Active
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	100 ms Minimum
Voltage - Threshold:	2.32V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SC-70, SOT-323
Supplier Device Package:	SC-70-3
Base Part Number:	MAX6328

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Introduction

MAX6328XR23+T is a powerful and versatile PMIC (Power Management Integrated Circuit) supervisor device commonly used in automotive, industrial and consumer applications. It provides precision on-chip voltage monitoring and high accuracy reset functions, acting as a supervisor circuit to monitor and control the main supply voltage and multiple auxiliary supples. This article will discuss the application field and working principle of the MAX6328XR23+T.

Application Field

The MAX6328XR23+T offers an on-chip reset timeout expiry warning indicator for applications requiring a user-defined reset timeout period. It can be used to monitor a buck converter or Li-ion battery and provide proper monitoring function even when only one power supply is used. It is also suitable for DC-DC converters, power supplies, battery-powered systems, and car audio systems. The reset threshold for the MAX6328XR23+T is programmable, with a range from 0.8V to 5.5V. This allows the device to adapt to a wide range of tasks, such as power-on reset and Li-ion battery protection, by more accurately monitoring and controlling the supply voltage level.

Working Principle

The main function of the MAX6328XR23+T is voltage monitoring and reset protection. It uses an advanced dual comparator and adjustable delay circuit to sense the voltage threshold level, then actuate the reset output in microseconds.The MAX6328XR23+T includes an adjustable delay circuit, allowing for the setting of a timeout period after which the reset pin is released. The timeout period is programmed by adjusting the capacitor in the external delay circuit.The capacitor and resistor values set the delay time and accuracy. A smaller timeout period accurately sets the circuit\'s response time, while a longer delay period allows time for the device to recover from a spike or brown-out before the reset pin is released.In summary, the MAX6328XR23+T is a powerful and versatile PMIC supervisor device. It provides precision on chip voltage monitoring and reset protection with adjustable timeout delay support, making it suitable for a range of applications such as power-on reset and Li-ion battery protection. With a wide range of adjustable threshold voltages, the MAX6328XR23+T is a great choice for high-accuracy, reliable reset protection.

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